Grand Gowns specializes in providing a diverse selection of beautiful gowns, and while they offer various sizes to accommodate various body types, they may not provide custom sizing for every gown. Each gown is typically available in standard sizes, allowing customers to choose the size that closely aligns with their measurements. However, it is important to consider that some gowns may come with additional options, such as alterations or modifications, discussed in the product description. Grand Gowns aims to ensure that customers find their perfect fit, and they may have recommendations on how to adjust sizes through local tailors or seamstresses. For the most accurate information regarding custom sizing and options available, it is advisable to check the specific gown pages on the Grand Gowns website. There, customers can find detailed descriptions and any pertinent information related to sizing options available for each gown.